More full language translations from translatewiki
(Serbian, Turkish, Japanese, Korean, and Polish).

Review URL: https://codereview.appspot.com/35350043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1530 c400ca83-b69d-9dd7-9705-49c6b8615e23
Localisation updates from https://translatewiki.net.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1531 c400ca83-b69d-9dd7-9705-49c6b8615e23
Remove obsolete localisation files.


git-svn-id: http://blockly.googlecode.com/svn/trunk@1532 c400ca83-b69d-9dd7-9705-49c6b8615e23
Localisation updates from https://translatewiki.net.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1533 c400ca83-b69d-9dd7-9705-49c6b8615e23